GSA has set the missing children screensaver up so that it is scalable. In other words, to GSA this means just slight changes in the settings and programming to make the missing childrensaver fit for your country.

The problem is that other countries have other regulations and eventhough we would just like to go for it, we would need official permission and cooperation.

So in answer to all your questions why GSA doesn't make a screensaver for Canada-Mexico-Japan-Iceland-Germany-Denmark-United Kingdom-Spain, etc., the answer is two-fold: